White-lead drier.



' v Paten'td Fe'b.`25, |902. T. E; KEARNS. WHITELEAD DRIEB.

(Appucmon' am oct. 1'4; 1901.)

(No Model.)

l 1 n 3 l v''"Witz-luesx-s-esI Igento MW EFW.. w. ce *mldw nj AttorneyUNITED STATES PATENT OFFICE.

THOMAS E. KEARNS, OF NEW KENSINGTON, PENNSYLVANIA, ASSIGNOR OF ONE-HALFTO HENRY M. GABEL, OF CINCINNATI, OHIO.

WHITE-LEAD DRIER.

SPECIFICATION forming part of LettersIEatent N o. 693,869, datedFebruary 25, 1902.

Application tiled October 14, 1901. Serial No. 78,528. (No model.)

To all whom, t may concern:

Be it known that I, THOMAS E. KEARNs, a citizen of the United States,residing at New Kensington, lVestmoreland county, Pennsyl- Vania,(post-office address New Kensington, Pennsylvania,) have inventedcertain new and useful Improvements in White-Lead Driers, of which thefollowing is a specification.

This invention, pertaining to white-lead zo driers of the pan type, willbe readily understood from the following descriptiom taken in connectionwith the accompanying drawings, in which- Figurel is a side elevation ofmy improved drier; Fig. 2, a vertical transverse section; Fig. 3, aplan,` and Fig. 4 a partial vertical transverse section on an enlargedscale.

In the drawings, l indicates columns arranged in pairs opposite eachother at a dis- 2o tance corresponding with the width of the drying-pansandV forming two longitudinal series; 2, brackets projecting inwardlyfrom the columns; 3, I-beams secured to these brackets and extendingacross the general struc- 215 ture, whereby the two columns of each pairbecome united, the number of these beams in each vertical seriescorresponding with the number of pans-three in the illustration; 4t,steam-pipes disposed longitudinally of the 3o general structure andresting on the I-beams and forming, in effect, a strong slatted oor overeach horizontal series of beams; 5, returns at the ends of the pipes,forming each horizontal series of pipes into a continuous conduit; 6,steam-inlet formed by the initial end of each of the horizontal seriesof connected pipes, the same being adapted for connection with anysuitable source of controlled steamsupply; 7, steam -outlets formed by4o the terminal end of each of the horizontal series of connected pipes,the same being adapted for connection with any suitable provision fordisposing of the water of condensation, preferablya steam-trap; 8, thepans, formed of sheet-copper, rectangular in plan and having a widthadapted to fit between the columns and a length adapted to the entireseries of columns, the bottoms of these pans resting on the pipes; 9, astiffening-bar around the rim of each pan, the metal of the rim of 5othe pan being turned around this bar, and l0 clamps secured against theinner faces of the columns over the rims of the pans and engaging withinthe rims, so as to retain the rims against the columns.

In'practice I am making the pans thirtyfive feet long and ten feet wideand nine inches deep and arranging them in vertical series of three, asindicated in the drawings, the I- beams being six inches deep and thesteam` 6e pipes two inches in size. The clamps 10 throughout the generalstructure do not pinch the rims of the pans, but leave them free toslide as expansion and contraction take place;

but at the central pair of columns the clamps `r are to be tightened upso as to pinch the rims of thepans and prevent their movement rela-'tive to that particular pair of columns, the

longitudinal movement of the pans relative to the columns takin'g placeat each side of 7o these central columns. The heat from the supportingsteam-pipes evaporatesthe moisture from the material in the panimmediately upon the pipes, and the vapors rise to the pipes above andpass out sidewise, the dissipation of the vapor being extremelyr'a'pid,resulting in high efficiency of the apparatus, which, as compared withthe usual structures, brings about marked economy in time and steam. 8o4

I claim as my invention- In a white-leaddrier, the combination,substantially as set forth, of two longitudinal series of columns, a panextending longitudinally between said two series of columns and havingits side rims connected with the inner faces of said columns, beamsextending across from one series of columns to another and connectingthe columns in pairs and disposed below the pan, and steam-pipes ar- 9oranged parallel with each other andwith the series of columns disposedVupon Vthe 4beams and directly supporting the bottom of the pan.

THoMAs E. KEARNs.

